145526501 has 2 divisors, whose sum is σ = 145526502. Its totient is φ = 145526500.

The previous prime is 145526471. The next prime is 145526519. The reversal of 145526501 is 105625541.

It is a happy number.

145526501 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 145178401 + 348100 = 12049^2 + 590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-145526501 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (145526581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72763250 + 72763251.

It is an arithmetic number, because the mean of its divisors is an integer number (72763251).

Almost surely, 2^145526501 is an apocalyptic number.

It is an amenable number.

145526501 is a deficient number, since it is larger than the sum of its proper divisors (1).

145526501 is an equidigital number, since it uses as much as digits as its factorization.

145526501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 145526501 is about 12063.4365335919. The cubic root of 145526501 is about 525.9938856774.

The spelling of 145526501 in words is "one hundred forty-five million, five hundred twenty-six thousand, five hundred one".